Routing subdomains in Ramaze

routes.rb

Domains = {
  /domain\.com/        => '/',
  /forum\.domain\.com/ => '/forum/index'
}

Ramaze::Route['sub domains'] = lambda do |uri, action|
  Domains.each do |regex, sub_uri|
    if action['env']['HTTP_HOST'] =~ regex
      return sub_uri
    end
  end

  return uri
end